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public function WorkbenchBlock::build in Workbench 8

Builds and returns the renderable array for this block plugin.

If a block should not be rendered because it has no content, then this method must also ensure to return no content: it must then only return an empty array, or an empty array with #cache set (with cacheability metadata indicating the circumstances for it being empty).

Return value

array A renderable array representing the content of the block.

Overrides BlockPluginInterface::build

See also

\Drupal\block\BlockViewBuilder

File

src/Plugin/Block/WorkbenchBlock.php, line 22

Class

WorkbenchBlock
Register a block that other modules may hook into.

Namespace

Drupal\workbench\Plugin\Block

Code

public function build() {
  $items = \Drupal::moduleHandler()
    ->invokeAll('workbench_block');
  if (empty($items)) {
    return [];
  }
  return [
    '#markup' => '<div class="workbench-info-block">' . implode('<br />', $items) . '</div>',
    '#attached' => [
      'library' => [
        'workbench/workbench.block',
      ],
    ],
  ];
}